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Australia shortlisted for world's biggest telescope
July 19, 2011
6:29 pm
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17 July 2011

If there are aliens on other planets, Australia could play a key role in making contact, the nation's leading astronomer Fred Watson says.

But it may depend on an area of Western Australia being chosen as the site for the square kilometer array (SKA), the world's most powerful radio telescope that will also reveal more about the origins of the universe.

The Murchison region in the WA outback is vying with a site in southern Africa for the SKA with a group of international scientists expected to make a final decision in 2012.

Some clues as to the location may be revealed after a meeting in Canada this week involving what has been described as a steering group taking the project forward.

Australia is considered the best location for the SKA but there are suggestions other factors could come into play, including political considerations.

Professor Watson, astronomer in charge at the Australian Astronomical Observatory at Coonabarabran in NSW, said the SKA would be involved in "big picture" science.

"It's about asking the big questions," he told AAP.

"The SKA will be by far the most sensitive radio telescope ever built.

"It will have the potential to reveal all kinds of things ranging from the possibility of picking up signals from aliens, if they exist.

"More seriously, it will look at the early universe, trying to work out how galaxies were formed."

Professor Watson said the SKA would also investigate the "mysterious stuff" called dark matter, which permeates four-fifths of the universe, and possibly reveal how dark matter helped the formation of stars.

"Insights into that are of extreme value to scientists for all kinds of reasons," he said.

"One of which is to confirm the picture we have of the origin of the universe and its early evolution is correct.

"But more especially to tell us things we simply don't dream about at the moment.

"Always with these things the most exciting discoveries are the ones that are completely unexpected.

"So who knows what a facility like this might produce?"

Professor Watson was in Adelaide on Tuesday for the annual scientific meeting of the Astronomical Society of Australia.

© 2011 AAP

Cosmos Online ... -telescope

May 26, 2012
4:17 pm
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Australia and South Africa are to share the world’s biggest telescope – the Square Kilometre Array.

After an intense six-year battle between the two bidding nations, a split-site solution for the giant radio telescope has been reached, with antennas to be built in both countries.

The decision was made on Friday night at a meeting in Amsterdam of the board of directors of the international SKA Organisation overseeing the telescope’s construction.

It had been feared Australia would miss out, after an independent scientific panel in February narrowly recommended South Africa as the preferred site.

To be one of the great scientific projects of the 21st century, the array will be so sensitive it could detect an aircraft radar on a planet 50 light years away.

It will be able to look back to the dark ages just after the Big Bang, and could help answer some of the big question of the cosmos, such as whether we are alone, and the nature of mysterious dark energy and dark matter.
Due to be fully operational by 2024, the internationally funded project will provide a significant economic boost to both countries, particularly in the construction, engineering and IT sectors.

In a majority determination it was decided that most of the dishes that will comprise the array in the first phase will be built in South Africa and combined with a 64-dish telescope planned there called MeerKAT.
More SKA dishes will be added to a 36-dish telescope almost completed in Australia called the Australian SKA Pathfinder.

A second set of mid-frequency antennae will be built in South Africa and a third set of low frequency antenna will be built in Australia.

The core Australian site is in the remote shire of Murchison, in Western Australia, a radio-quiet zone about 300 kilometres north-east of Geraldton which has only about 100 people in an area larger than Holland.
In South Africa, it is in the Karoo desert in the Northern Cape.

The decision to share the telescope, which will have three types of antennas including 3000 dishes, was made by five of the organisation’s eight member nations – Italy, the Netherlands, Britain, Canada and China.
The concept of building a mega-telescope with a square kilometre of collecting area was proposed 20 years ago.
Australia and South Africa were shortlisted as potential hosts in 2006.

In March, the Herald broke the story that the independent scientific panel had recommended South Africa.
However a final decision was delayed while a new scientific working group investigated the possibility of an ‘‘inclusive approach’’ that would ‘‘maximise the value from the investments made by both countries’’.

July 19, 2011
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I really feel it's Australias time to shine.

Willie Wonka quotes..
What is this Wonka, some kind of funhouse?
Why? Are you having fun?
A little nonsense now and then is relished by the wisest men.
We are the music makers, we are the dreamers of dreams

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